1 files changed, 776 insertions, 0 deletions
diff --git a/devtools/shared/node-properties/node-properties.js b/devtools/shared/node-properties/node-properties.js
new file mode 100644
index 0000000000..05feba857b
--- /dev/null
+++ b/devtools/shared/node-properties/node-properties.js
@@ -0,0 +1,776 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014 Gabriel Llamas
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+"use strict";
+
+var hex = function (c){
+  switch (c){
+    case "0": return 0;
+    case "1": return 1;
+    case "2": return 2;
+    case "3": return 3;
+    case "4": return 4;
+    case "5": return 5;
+    case "6": return 6;
+    case "7": return 7;
+    case "8": return 8;
+    case "9": return 9;
+    case "a": case "A": return 10;
+    case "b": case "B": return 11;
+    case "c": case "C": return 12;
+    case "d": case "D": return 13;
+    case "e": case "E": return 14;
+    case "f": case "F": return 15;
+  }
+};
+
+var parse = function (data, options, handlers, control){
+  var c;
+  var code;
+  var escape;
+  var skipSpace = true;
+  var isCommentLine;
+  var isSectionLine;
+  var newLine = true;
+  var multiLine;
+  var isKey = true;
+  var key = "";
+  var value = "";
+  var section;
+  var unicode;
+  var unicodeRemaining;
+  var escapingUnicode;
+  var keySpace;
+  var sep;
+  var ignoreLine;
+
+  var line = function (){
+    if (key || value || sep){
+      handlers.line (key, value);
+      key = "";
+      value = "";
+      sep = false;
+    }
+  };
+
+  var escapeString = function (key, c, code){
+    if (escapingUnicode && unicodeRemaining){
+      unicode = (unicode << 4) + hex (c);
+      if (--unicodeRemaining) return key;
+      escape = false;
+      escapingUnicode = false;
+      return key + String.fromCharCode (unicode);
+    }
+
+    //code 117: u
+    if (code === 117){
+      unicode = 0;
+      escapingUnicode = true;
+      unicodeRemaining = 4;
+      return key;
+    }
+
+    escape = false;
+
+    //code 116: t
+    //code 114: r
+    //code 110: n
+    //code 102: f
+    if (code === 116) return key + "\t";
+    else if (code === 114) return key + "\r";
+    else if (code === 110) return key + "\n";
+    else if (code === 102) return key + "\f";
+
+    return key + c;
+  };
+
+  var isComment;
+  var isSeparator;
+
+  if (options._strict){
+    isComment = function (c, code, options){
+      return options._comments[c];
+    };
+
+    isSeparator = function (c, code, options){
+      return options._separators[c];
+    };
+  }else{
+    isComment = function (c, code, options){
+      //code 35: #
+      //code 33: !
+      return code === 35 || code === 33 || options._comments[c];
+    };
+
+    isSeparator = function (c, code, options){
+      //code 61: =
+      //code 58: :
+      return code === 61 || code === 58 || options._separators[c];
+    };
+  }
+
+  for (var i=~~control.resume; i<data.length; i++){
+    if (control.abort) return;
+    if (control.pause){
+      //The next index is always the start of a new line, it's a like a fresh
+      //start, there's no need to save the current state
+      control.resume = i;
+      return;
+    }
+
+    c = data[i];
+    code = data.charCodeAt (i);
+
+    //code 13: \r
+    if (code === 13) continue;
+
+    if (isCommentLine){
+      //code 10: \n
+      if (code === 10){
+        isCommentLine = false;
+        newLine = true;
+        skipSpace = true;
+      }
+      continue;
+    }
+
+    //code 93: ]
+    if (isSectionLine && code === 93){
+      handlers.section (section);
+      //Ignore chars after the section in the same line
+      ignoreLine = true;
+      continue;
+    }
+
+    if (skipSpace){
+      //code 32: " " (space)
+      //code 9: \t
+      //code 12: \f
+      if (code === 32 || code === 9 || code === 12){
+        continue;
+      }
+      //code 10: \n
+      if (!multiLine && code === 10){
+        //Empty line or key w/ separator and w/o value
+        isKey = true;
+        keySpace = false;
+        newLine = true;
+        line ();
+        continue;
+      }
+      skipSpace = false;
+      multiLine = false;
+    }
+
+    if (newLine){
+      newLine = false;
+      if (isComment (c, code, options)){
+        isCommentLine = true;
+        continue;
+      }
+      //code 91: [
+      if (options.sections && code === 91){
+        section = "";
+        isSectionLine = true;
+        control.skipSection = false;
+        continue;
+      }
+    }
+
+    //code 10: \n
+    if (code !== 10){
+      if (control.skipSection || ignoreLine) continue;
+
+      if (!isSectionLine){
+        if (!escape && isKey && isSeparator (c, code, options)){
+          //sep is needed to detect empty key and empty value with a
+          //non-whitespace separator
+          sep = true;
+          isKey = false;
+          keySpace = false;
+          //Skip whitespace between separator and value
+          skipSpace = true;
+          continue;
+        }
+      }
+
+      //code 92: "\" (backslash)
+      if (code === 92){
+        if (escape){
+          if (escapingUnicode) continue;
+
+          if (keySpace){
+            //Line with whitespace separator
+            keySpace = false;
+            isKey = false;
+          }
+
+          if (isSectionLine) section += "\\";
+          else if (isKey) key += "\\";
+          else value += "\\";
+        }
+        escape = !escape;
+      }else{
+        if (keySpace){
+          //Line with whitespace separator
+          keySpace = false;
+          isKey = false;
+        }
+
+        if (isSectionLine){
+          if (escape) section = escapeString (section, c, code);
+          else section += c;
+        }else if (isKey){
+          if (escape){
+            key = escapeString (key, c, code);
+          }else{
+            //code 32: " " (space)
+            //code 9: \t
+            //code 12: \f
+            if (code === 32 || code === 9 || code === 12){
+              keySpace = true;
+              //Skip whitespace between key and separator
+              skipSpace = true;
+              continue;
+            }
+            key += c;
+          }
+        }else{
+          if (escape) value = escapeString (value, c, code);
+          else value += c;
+        }
+      }
+    }else{
+      if (escape){
+        if (!escapingUnicode){
+          escape = false;
+        }
+        skipSpace = true;
+        multiLine = true;
+      }else{
+        if (isSectionLine){
+          isSectionLine = false;
+          if (!ignoreLine){
+            //The section doesn't end with ], it's a key
+            control.error = new Error ("The section line \"" + section +
+                "\" must end with \"]\"");
+            return;
+          }
+          ignoreLine = false;
+        }
+        newLine = true;
+        skipSpace = true;
+        isKey = true;
+
+        line ();
+      }
+    }
+  }
+
+  control.parsed = true;
+
+  if (isSectionLine && !ignoreLine){
+    //The section doesn't end with ], it's a key
+    control.error = new Error ("The section line \"" + section + "\" must end" +
+        "with \"]\"");
+    return;
+  }
+  line ();
+};
+
+var INCLUDE_KEY = "include";
+var INDEX_FILE = "index.properties";
+
+var cast = function (value){
+  if (value === null || value === "null") return null;
+  if (value === "undefined") return undefined;
+  if (value === "true") return true;
+  if (value === "false") return false;
+  var v = Number (value);
+  return isNaN (v) ? value : v;
+};
+
+var expand = function  (o, str, options, cb){
+  if (!options.variables || !str) return cb (null, str);
+
+  var stack = [];
+  var c;
+  var cp;
+  var key = "";
+  var section = null;
+  var v;
+  var holder;
+  var t;
+  var n;
+
+  for (var i=0; i<str.length; i++){
+    c = str[i];
+
+    if (cp === "$" && c === "{"){
+      key = key.substring (0, key.length - 1);
+      stack.push ({
+        key: key,
+        section: section
+      });
+      key = "";
+      section = null;
+      continue;
+    }else if (stack.length){
+      if (options.sections && c === "|"){
+        section = key;
+        key = "";
+        continue;
+      }else if (c === "}"){
+        holder = section !== null ? searchValue (o, section, true) : o;
+        if (!holder){
+          return cb (new Error ("The section \"" + section + "\" does not " +
+              "exist"));
+        }
+
+        v = options.namespaces ? searchValue (holder, key) : holder[key];
+        if (v === undefined){
+          //Read the external vars
+          v = options.namespaces
+              ? searchValue (options._vars, key)
+              : options._vars[key]
+
+          if (v === undefined){
+            return cb (new Error ("The property \"" + key + "\" does not " +
+                "exist"));
+          }
+        }
+
+        t = stack.pop ();
+        section = t.section;
+        key = t.key + (v === null ? "" : v);
+        continue;
+      }
+    }
+
+    cp = c;
+    key += c;
+  }
+
+  if (stack.length !== 0){
+    return cb (new Error ("Malformed variable: " + str));
+  }
+
+  cb (null, key);
+};
+
+var searchValue = function (o, chain, section){
+  var n = chain.split (".");
+  var str;
+
+  for (var i=0; i<n.length-1; i++){
+    str = n[i];
+    if (o[str] === undefined) return;
+    o = o[str];
+  }
+
+  var v = o[n[n.length - 1]];
+  if (section){
+    if (typeof v !== "object") return;
+    return v;
+  }else{
+    if (typeof v === "object") return;
+    return v;
+  }
+};
+
+var namespaceKey = function (o, key, value){
+  var n = key.split (".");
+  var str;
+
+  for (var i=0; i<n.length-1; i++){
+    str = n[i];
+    if (o[str] === undefined){
+      o[str] = {};
+    }else if (typeof o[str] !== "object"){
+      throw new Error ("Invalid namespace chain in the property name '" +
+          key + "' ('" + str + "' has already a value)");
+    }
+    o = o[str];
+  }
+
+  o[n[n.length - 1]] = value;
+};
+
+var namespaceSection = function (o, section){
+  var n = section.split (".");
+  var str;
+
+  for (var i=0; i<n.length; i++){
+    str = n[i];
+    if (o[str] === undefined){
+      o[str] = {};
+    }else if (typeof o[str] !== "object"){
+      throw new Error ("Invalid namespace chain in the section name '" +
+          section + "' ('" + str + "' has already a value)");
+    }
+    o = o[str];
+  }
+
+  return o;
+};
+
+var merge = function (o1, o2){
+  for (var p in o2){
+    try{
+      if (o1[p].constructor === Object){
+        o1[p] = merge (o1[p], o2[p]);
+      }else{
+        o1[p] = o2[p];
+      }
+    }catch (e){
+      o1[p] = o2[p];
+    }
+  }
+  return o1;
+}
+
+var build = function (data, options, dirname, cb){
+  var o = {};
+
+  if (options.namespaces){
+    var n = {};
+  }
+
+  var control = {
+    abort: false,
+    skipSection: false
+  };
+
+  if (options.include){
+    var remainingIncluded = 0;
+
+    var include = function (value){
+      if (currentSection !== null){
+        return abort (new Error ("Cannot include files from inside a " +
+            "section: " + currentSection));
+      }
+
+      var p = path.resolve (dirname, value);
+      if (options._included[p]) return;
+
+      options._included[p] = true;
+      remainingIncluded++;
+      control.pause = true;
+
+      read (p, options, function (error, included){
+        if (error) return abort (error);
+
+        remainingIncluded--;
+        merge (options.namespaces ? n : o, included);
+        control.pause = false;
+
+        if (!control.parsed){
+          parse (data, options, handlers, control);
+          if (control.error) return abort (control.error);
+        }
+
+        if (!remainingIncluded) cb (null, options.namespaces ? n : o);
+      });
+    };
+  }
+
+  if (!data){
+    if (cb) return cb (null, o);
+    return o;
+  }
+
+  var currentSection = null;
+  var currentSectionStr = null;
+
+  var abort = function (error){
+    control.abort = true;
+    if (cb) return cb (error);
+    throw error;
+  };
+
+  var handlers = {};
+  var reviver = {
+    assert: function (){
+      return this.isProperty ? reviverLine.value : true;
+    }
+  };
+  var reviverLine = {};
+
+  //Line handler
+  //For speed reasons, if "namespaces" is enabled, the old object is still
+  //populated, e.g.: ${a.b} reads the "a.b" property from { "a.b": 1 }, instead
+  //of having a unique object { a: { b: 1 } } which is slower to search for
+  //the "a.b" value
+  //If "a.b" is not found, then the external vars are read. If "namespaces" is
+  //enabled, the var "a.b" is split and it searches the a.b value. If it is not
+  //enabled, then the var "a.b" searches the "a.b" value
+
+  var line;
+  var error;
+
+  if (options.reviver){
+    if (options.sections){
+      line = function (key, value){
+        if (options.include && key === INCLUDE_KEY) return include (value);
+
+        reviverLine.value = value;
+        reviver.isProperty = true;
+        reviver.isSection = false;
+
+        value = options.reviver.call (reviver, key, value, currentSectionStr);
+        if (value !== undefined){
+          if (options.namespaces){
+            try{
+              namespaceKey (currentSection === null ? n : currentSection,
+                  key, value);
+            }catch (error){
+              abort (error);
+            }
+          }else{
+            if (currentSection === null) o[key] = value;
+            else currentSection[key] = value;
+          }
+        }
+      };
+    }else{
+      line = function (key, value){
+        if (options.include && key === INCLUDE_KEY) return include (value);
+
+        reviverLine.value = value;
+        reviver.isProperty = true;
+        reviver.isSection = false;
+
+        value = options.reviver.call (reviver, key, value);
+        if (value !== undefined){
+          if (options.namespaces){
+            try{
+              namespaceKey (n, key, value);
+            }catch (error){
+              abort (error);
+            }
+          }else{
+            o[key] = value;
+          }
+        }
+      };
+    }
+  }else{
+    if (options.sections){
+      line = function (key, value){
+        if (options.include && key === INCLUDE_KEY) return include (value);
+
+        if (options.namespaces){
+          try{
+            namespaceKey (currentSection === null ? n : currentSection, key,
+                value);
+          }catch (error){
+            abort (error);
+          }
+        }else{
+          if (currentSection === null) o[key] = value;
+          else currentSection[key] = value;
+        }
+      };
+    }else{
+      line = function (key, value){
+        if (options.include && key === INCLUDE_KEY) return include (value);
+
+        if (options.namespaces){
+          try{
+            namespaceKey (n, key, value);
+          }catch (error){
+            abort (error);
+          }
+        }else{
+          o[key] = value;
+        }
+      };
+    }
+  }
+
+  //Section handler
+  var section;
+  if (options.sections){
+    if (options.reviver){
+      section = function (section){
+        currentSectionStr = section;
+        reviverLine.section = section;
+        reviver.isProperty = false;
+        reviver.isSection = true;
+
+        var add = options.reviver.call (reviver, null, null, section);
+        if (add){
+          if (options.namespaces){
+            try{
+              currentSection = namespaceSection (n, section);
+            }catch (error){
+              abort (error);
+            }
+          }else{
+            currentSection = o[section] = {};
+          }
+        }else{
+          control.skipSection = true;
+        }
+      };
+    }else{
+      section = function (section){
+        currentSectionStr = section;
+        if (options.namespaces){
+          try{
+            currentSection = namespaceSection (n, section);
+          }catch (error){
+            abort (error);
+          }
+        }else{
+          currentSection = o[section] = {};
+        }
+      };
+    }
+  }
+
+  //Variables
+  if (options.variables){
+    handlers.line = function (key, value){
+      expand (options.namespaces ? n : o, key, options, function (error, key){
+        if (error) return abort (error);
+
+        expand (options.namespaces ? n : o, value, options,
+            function (error, value){
+          if (error) return abort (error);
+
+          line (key, cast (value || null));
+        });
+      });
+    };
+
+    if (options.sections){
+      handlers.section = function (s){
+        expand (options.namespaces ? n : o, s, options, function (error, s){
+          if (error) return abort (error);
+
+          section (s);
+        });
+      };
+    }
+  }else{
+    handlers.line = function (key, value){
+      line (key, cast (value || null));
+    };
+
+    if (options.sections){
+      handlers.section = section;
+    }
+  }
+
+  parse (data, options, handlers, control);
+  if (control.error) return abort (control.error);
+
+  if (control.abort || control.pause) return;
+
+  if (cb) return cb (null, options.namespaces ? n : o);
+  return options.namespaces ? n : o;
+};
+
+var read = function (f, options, cb){
+  fs.stat (f, function (error, stats){
+    if (error) return cb (error);
+
+    var dirname;
+
+    if (stats.isDirectory ()){
+      dirname = f;
+      f = path.join (f, INDEX_FILE);
+    }else{
+      dirname = path.dirname (f);
+    }
+
+    fs.readFile (f, { encoding: "utf8" }, function (error, data){
+      if (error) return cb (error);
+      build (data, options, dirname, cb);
+    });
+  });
+};
+
+module.exports = function (data, options, cb){
+  if (typeof options === "function"){
+    cb = options;
+    options = {};
+  }
+
+  options = options || {};
+  var code;
+
+  if (options.include){
+    if (!cb) throw new Error ("A callback must be passed if the 'include' " +
+        "option is enabled");
+    options._included = {};
+  }
+
+  options = options || {};
+  options._strict = options.strict && (options.comments || options.separators);
+  options._vars = options.vars || {};
+
+  var comments = options.comments || [];
+  if (!Array.isArray (comments)) comments = [comments];
+  var c = {};
+  comments.forEach (function (comment){
+    code = comment.charCodeAt (0);
+    if (comment.length > 1 || code < 33 || code > 126){
+      throw new Error ("The comment token must be a single printable ASCII " +
+          "character");
+    }
+    c[comment] = true;
+  });
+  options._comments = c;
+
+  var separators = options.separators || [];
+  if (!Array.isArray (separators)) separators = [separators];
+  var s = {};
+  separators.forEach (function (separator){
+    code = separator.charCodeAt (0);
+    if (separator.length > 1 || code < 33 || code > 126){
+      throw new Error ("The separator token must be a single printable ASCII " +
+          "character");
+    }
+    s[separator] = true;
+  });
+  options._separators = s;
+
+  if (options.path){
+    if (!cb) throw new Error ("A callback must be passed if the 'path' " +
+        "option is enabled");
+    if (options.include){
+      read (data, options, cb);
+    }else{
+      fs.readFile (data, { encoding: "utf8" }, function (error, data){
+        if (error) return cb (error);
+        build (data, options, ".", cb);
+      });
+    }
+  }else{
+    return build (data, options, ".", cb);
+  }
+};